The collection is composed of several short typed manuscripts by Frederiksen discussing his personal history and involvement in the OSS, as well as a variety of recommendations and reports on Frederiksen from colleagues, and one of his jailers. Additional documents include application and reference forms prepared by Frederiksen for the U.S. government, and some correspondence relating to his employment plans after leaving Vienna.
The collection consists of the personal papers of William Harding Jackson. Correspondents include President Eisenhower, Constantine FitzGibbon, Arthur Gardner, Gordon Gray, and Richard M. Nixon, among others. A run of letters regarding Wendell Willkie's 1940 presidential campaign is also included among the documents. Some typed manuscripts by Jackson, a few photographs of him, and a series of printed materials round out the collection.
The Jan Karski Collection comprises three distinct groups of documents: Karski's collection of serials and pamphlets produced by various organizations of the Polish underground during World War II; records and addresses pertaining to Karski's travel and work in 1966-67, including miscellaneous articles translated and transcribed; and two distinct states of Karski's draft for his book "Great Powers and Poland, 1919-1945".